31191447

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2199

約数の個数: 32

約数和(自身を含む): 51577344

約数和(自身を除く): 20385897

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 2091, 2131, 4879, 6393, 14637, 14917, 36227, 44751, 87371, 108681, 253589, 262113, 611597, 760767, 1485307, 1834791, 4455921, 10397149, 31191447]

約数ペア:

[(1, 31191447), (3, 10397149), (7, 4455921), (17, 1834791), (21, 1485307), (41, 760767), (51, 611597), (119, 262113), (123, 253589), (287, 108681), (357, 87371), (697, 44751), (861, 36227), (2091, 14917), (2131, 14637), (4879, 6393)]